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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 24 — Nov. 22, 2010
  • pp: 24522–24535

Efficient optimization method for the light extraction from periodically modulated LEDs using reciprocity

O. T. A. Janssen, A. J. H. Wachters, and H. P. Urbach  »View Author Affiliations

Optics Express, Vol. 18, Issue 24, pp. 24522-24535 (2010)

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The incoherent emission of periodically structured Light Emitting Diodes (LEDs) can be computed at relatively low computational cost by applying the reciprocity method. We show that by another application of the reciprocity principle, the structure of the LED can be optimized to obtain a high emission. We demonstrate the method by optimizing one-dimensional grating structures. The optimized structures have twice the extraction efficiency of an optimized flat structure.

© 2010 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(230.3670) Optical devices : Light-emitting diodes
(050.1755) Diffraction and gratings : Computational electromagnetic methods
(050.5298) Diffraction and gratings : Photonic crystals

ToC Category:
Optical Devices

Original Manuscript: March 31, 2010
Revised Manuscript: July 15, 2010
Manuscript Accepted: July 21, 2010
Published: November 10, 2010

O. T. A. Janssen, A. J. H. Wachters, and H. P. Urbach, "Efficient optimization method for the light extraction from periodically modulated LEDs using reciprocity," Opt. Express 18, 24522-24535 (2010)

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